1 files changed, 2 insertions, 2 deletions
diff --git a/luni/src/main/java/java/text/AttributedString.java b/luni/src/main/java/java/text/AttributedString.java
index d679283..289ad6d 100644
--- a/luni/src/main/java/java/text/AttributedString.java
+++ b/luni/src/main/java/java/text/AttributedString.java
@@ -577,8 +577,8 @@ public class AttributedString {
         if (attribute == null) {
             throw new NullPointerException("attribute == null");
         }
-        if (text.length() == 0) {
-            throw new IllegalArgumentException();
+        if (text.isEmpty()) {
+            throw new IllegalArgumentException("text is empty");
         }
 
         List<Range> ranges = attributeMap.get(attribute);